The flat mirror was moved to the object at a distance of 10 cm, as the distance between the object
| June 12, 2021 | education
The flat mirror was moved to the object at a distance of 10 cm, as the distance between the object and the mirror and its image will change.
When determining the distance from an object to its image, take into account that when the mirror moves to the object, the distance from the object to the image will decrease by 2 times, since the distance from the object to the mirror is equal to the distance from the image to the mirror.
If we take into account the dependences of the distances, we get that if we reduce the distance from the object to the image by 10, then together with it, the distance from the mirror to the image will decrease by the same value:
10 cm * 2 = 20 cm.
Answer: 20 cm.
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